:root {
  color-scheme: light;
  --ink: #101522;
  --muted: #5f6877;
  --soft: #f7f3ec;
  --paper: #fffdf8;
  --line: rgba(16, 21, 34, 0.14);
  --line-strong: rgba(16, 21, 34, 0.28);
  --accent: #f97316;
  --accent-dark: #c2410c;
  --blue: #2563eb;
  --green: #15803d;
  --gold: #b45309;
  --dark: #111827;
  --dark-muted: #9ca3af;
  --radius: 26px;
  --radius-small: 14px;
  --shadow: 0 24px 70px rgba(17, 24, 39, 0.16);
  --content: min(1180px, calc(100vw - 40px));
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  text-rendering: optimizeLegibility;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 14% 18%, rgba(249, 115, 22, 0.12), transparent 28rem),
    radial-gradient(circle at 88% 6%, rgba(37, 99, 235, 0.10), transparent 26rem),
    linear-gradient(180deg, #fffaf0 0%, #fffdf8 42%, #f8fafc 100%);
}
a { color: inherit; }
a:hover { color: var(--accent-dark); }
button, input, select { font: inherit; }
button { cursor: pointer; }
:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.55);
  outline-offset: 3px;
}
.skip-link {
  position: absolute;
  left: 16px;
  top: 12px;
  z-index: 20;
  transform: translateY(-180%);
  background: var(--dark);
  color: white;
  padding: 10px 14px;
  border-radius: 999px;
}
.skip-link:focus { transform: translateY(0); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.site-hero {
  min-height: auto;
  padding-bottom: 28px;
  color: white;
  background:
    linear-gradient(135deg, rgba(17, 24, 39, 0.96), rgba(28, 37, 54, 0.92)),
    radial-gradient(circle at 75% 30%, rgba(249, 115, 22, 0.38), transparent 28rem),
    #111827;
  position: relative;
  overflow: hidden;
}
.site-hero::after {
  display: none;
}
.top-nav {
  width: var(--content);
  margin: 0 auto;
  padding: 28px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  position: relative;
  z-index: 2;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -0.02em;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  color: var(--dark);
  background: linear-gradient(135deg, #f8fafc, #fed7aa);
  box-shadow: 0 12px 32px rgba(0,0,0,.25);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}
.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  font-size: 0.94rem;
  color: rgba(255,255,255,0.78);
}
.nav-links a { text-decoration: none; }
.nav-links a:hover { color: white; }
.hero-inner {
  width: var(--content);
  margin: 0 auto;
  min-height: 520px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.85fr);
  align-items: center;
  gap: clamp(32px, 6vw, 90px);
  position: relative;
  z-index: 1;
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.hero-copy h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(3rem, 8vw, 6.9rem);
  line-height: 0.88;
  letter-spacing: -0.08em;
}
.hero-text {
  max-width: 660px;
  margin: 28px 0 0;
  color: rgba(255,255,255,0.76);
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  line-height: 1.55;
}
.hero-actions, .callout-actions, .results-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.hero-actions { margin-top: 40px; }
.primary-action, .secondary-action, .ghost-link, .ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 999px;
  padding: 0 18px;
  font-weight: 800;
  text-decoration: none;
  border: 1px solid transparent;
}
.primary-action {
  color: var(--dark);
  background: #f8fafc;
  box-shadow: 0 10px 20px rgba(0,0,0,.16);
}
.secondary-action {
  color: white;
  border-color: rgba(255,255,255,.48);
  background: rgba(17,24,39,.42);
  text-shadow: 0 1px 1px rgba(0,0,0,.45);
}
.secondary-action:hover {
  color: white;
  border-color: rgba(255,255,255,.72);
  background: rgba(17,24,39,.62);
}
.primary-action.dark {
  color: white;
  background: var(--dark);
}
.secondary-action.dark {
  color: white;
  border-color: rgba(255,255,255,.62);
  background: rgba(255,255,255,.10);
}
.secondary-action.dark:hover {
  color: white;
  border-color: rgba(255,255,255,.86);
  background: rgba(255,255,255,.18);
}
.ghost-button, .ghost-link {
  color: var(--ink);
  border-color: var(--line);
  background: rgba(255,255,255,.72);
}
.ghost-button:hover, .ghost-link:hover { border-color: var(--line-strong); color: var(--ink); }
.hero-visual {
  position: relative;
  min-height: 520px;
  isolation: isolate;
  display: grid;
  align-items: center;
}
.hero-visual::before, .hero-visual::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  z-index: -1;
  filter: blur(8px);
}
.hero-visual::before {
  inset: 8% -6% 18% 18%;
  background: radial-gradient(circle, rgba(249, 115, 22, .32), transparent 64%);
}
.hero-visual::after {
  inset: 18% 10% 8% -8%;
  border: 1px solid rgba(255,255,255,.18);
  transform: rotate(-14deg);
}
.hero-image {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 42px;
  border: 1px solid rgba(255,255,255,.22);
  box-shadow: var(--shadow), 0 32px 90px rgba(0,0,0,.32);
  transform: rotate(-1.25deg);
}
.dataset-strip {
  width: var(--content);
  margin: 18px auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--line);
  position: relative;
  z-index: 3;
}
.dataset-strip div {
  background: rgba(255,255,255,.92);
  padding: clamp(18px, 3vw, 30px);
}
.dataset-strip strong {
  display: block;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  letter-spacing: -0.06em;
}
.dataset-strip span { color: var(--muted); font-weight: 700; }
.explorer, .results-section, .methodology-callout, .site-footer {
  width: var(--content);
  margin-inline: auto;
}
.explorer { padding: 70px 0 6px; }
.explorer-note {
  max-width: 760px;
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}
.section-heading {
  display: grid;
  grid-template-columns: 0.82fr 1fr;
  gap: clamp(24px, 5vw, 84px);
  align-items: end;
  margin-bottom: 36px;
}
.section-heading h2, .results-bar h2, .methodology-callout h2 {
  margin: 0;
  font-size: clamp(2.25rem, 5vw, 4.8rem);
  line-height: 0.96;
  letter-spacing: -0.07em;
}
.section-heading p:not(.eyebrow), .methodology-callout p:not(.eyebrow) {
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.65;
}
.controls {
  border-top: 1px solid var(--line);
  padding: 24px 0;
}
.filter-sections {
  border-top: 1px solid var(--line);
  padding: 0;
}
.filter-section {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.filter-section:last-child {
  border-bottom: none;
}
.filter-section-label {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.filter-section-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  color: var(--ink);
}
.filter-section-toggle .filter-section-label {
  margin-bottom: 0;
}
.toggle-hint {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  transition: color 0.15s ease;
}
.filter-section-toggle:hover .toggle-hint {
  color: var(--accent-dark);
}
.filter-section-toggle[aria-expanded="true"] .toggle-hint::before {
  content: "";
}
.filter-panel {
  margin-top: 14px;
}
.filter-panel .compact-search {
  margin-bottom: 12px;
}
.filter-panel .compact-search input {
  min-height: 42px;
  border-radius: 12px;
  font-size: 0.88rem;
}
.control-row {
  display: grid;
  gap: 16px;
  align-items: end;
}
.primary-controls { grid-template-columns: 1fr; }
.secondary-controls { grid-template-columns: minmax(260px, 0.7fr) minmax(190px, 240px) minmax(240px, 1fr) auto; margin-top: 16px; }
.search-field, .select-field, .range-field, .compact-search {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.83rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.search-field input, .compact-search input, .select-field select {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,.78);
  color: var(--ink);
  padding: 0 16px;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 650;
}
.range-field input { width: 100%; accent-color: var(--accent); }
.checkbox-field {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  color: var(--muted);
  font-weight: 700;
}
.checkbox-field input { width: 18px; height: 18px; accent-color: var(--accent); }
.filter-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 16px;
}
.filter-header h3 {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}
.filter-header p { margin: 4px 0 0; color: var(--muted); }
.pill-row, .active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.pill, .filter-chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.72);
  color: var(--ink);
  min-height: 38px;
  padding: 0 13px;
  font-weight: 760;
}
.pill[aria-pressed="true"], .filter-chip {
  border-color: rgba(249,115,22,.34);
  background: rgba(249,115,22,.11);
  color: var(--accent-dark);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-height: 360px;
  overflow: auto;
  padding: 2px 2px 12px;
  scrollbar-color: var(--line-strong) transparent;
}
.feature-button {
  min-height: 48px;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,.64);
  padding: 10px 12px;
  color: var(--ink);
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.feature-button:hover { transform: translateY(-1px); border-color: var(--line-strong); }
.feature-button[aria-pressed="true"] {
  background: #fff7ed;
  border-color: rgba(249,115,22,.42);
}
.feature-button strong { display: block; font-size: .92rem; }
.feature-button span { display: block; margin-top: 3px; color: var(--muted); font-size: .78rem; }
.filter-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 34px;
  padding-top: 8px;
}
.active-filters { display: flex; flex-wrap: wrap; gap: 10px; min-height: 0; padding-top: 0; }
.data-export-details {
  color: var(--muted);
  font-size: .9rem;
  font-weight: 750;
}
.data-export-details summary {
  cursor: pointer;
  list-style: none;
}
.data-export-details summary::-webkit-details-marker { display: none; }
.data-export-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
  justify-content: flex-end;
}
.text-button, .text-link {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 0;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.text-button:hover, .text-link:hover { color: var(--accent-dark); }
.filter-chip button {
  border: 0;
  margin-left: 5px;
  background: transparent;
  color: inherit;
  font-weight: 900;
}
.results-section { padding: 4px 0 92px; }
.results-bar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  padding: 14px 0 18px;
  background: transparent;
  border-bottom: 1px solid var(--line);
}
.results-bar h2 { font-size: clamp(1.85rem, 4vw, 3.3rem); }
.sort-actions {
  align-items: end;
}
.sort-field {
  min-width: 230px;
}
.sort-actions .ghost-button {
  min-height: 52px;
}
.tool-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.tool-card {
  content-visibility: auto;
  contain-intrinsic-size: auto 280px;
  background: rgba(255,255,255,.86);
  padding: clamp(18px, 3vw, 28px);
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr) minmax(220px, 0.48fr);
  gap: clamp(18px, 4vw, 36px);
  align-items: start;
}
.rank-score { display: grid; gap: 10px; }
.rank {
  color: var(--muted);
  font-weight: 900;
  letter-spacing: -0.05em;
}
.score {
  display: inline-grid;
  place-items: center;
  width: 76px;
  height: 68px;
  border-radius: 22px;
  background: var(--dark);
  color: white;
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: -0.06em;
}
.tool-main h3 {
  margin: 0;
  font-size: clamp(1.28rem, 2vw, 1.85rem);
  letter-spacing: -0.04em;
}
.tool-main h3 a { text-decoration-thickness: 0.08em; text-underline-offset: 0.15em; }
.tool-title-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}
.external-link-icon {
  display: inline-grid;
  place-items: center;
  width: 1.05em;
  height: 1.05em;
  border-radius: 999px;
  background: rgba(249, 115, 22, .12);
  color: var(--accent-dark);
  font-size: .56em;
  font-weight: 900;
  line-height: 1;
  text-decoration: none;
  transform: translateY(-.18em);
}
.tool-title-link:hover .external-link-icon {
  background: var(--accent);
  color: white;
}
.best-for { margin: 8px 0 0; color: var(--muted); line-height: 1.55; }
.tag-row, .feature-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 14px;
}
.tag, .support-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 0 9px;
  font-size: .78rem;
  font-weight: 800;
  background: #f3f4f6;
  color: #374151;
}
.support-yes { background: #dcfce7; color: #166534; }
.support-partial { background: #fef3c7; color: #92400e; }
.support-no, .support-na { background: #f3f4f6; color: #6b7280; }
.rating-stack { display: grid; gap: 9px; }
.rating-row {
  display: grid;
  grid-template-columns: 112px 1fr 38px 22px;
  gap: 10px 8px;
  align-items: center;
  font-size: .8rem;
  color: var(--muted);
  font-weight: 800;
}
.rating-note-toggle {
  grid-column: 4;
  justify-self: center;
  border: 0;
  background: transparent;
  color: var(--accent-dark);
  font-size: .72rem;
  font-weight: 800;
  padding: 0;
  cursor: pointer;
  width: 22px;
  height: 22px;
  line-height: 22px;
  text-align: center;
  border-radius: 999px;
}
.rating-note-toggle:hover {
  background: rgba(249, 115, 22, .10);
}
.rating-comment {
  font-weight: 500;
  font-size: .76rem;
  line-height: 1.45;
  color: var(--muted);
  opacity: 0.82;
  padding: 2px 0 4px;
}
.rating-track {
  height: 7px;
  border-radius: 999px;
  background: rgba(17,24,39,.10);
  overflow: hidden;
}
.rating-fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), #fbbf24);
}
.features-details {
  margin-top: 12px;
}
.features-details summary, .tool-details summary {
  color: var(--accent-dark);
  font-weight: 900;
  cursor: pointer;
  width: max-content;
}
.all-feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 10px;
}
.tool-details {
  grid-column: 2 / -1;
  margin-top: -8px;
}
.detail-body {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(220px, .8fr);
  gap: 24px;
  margin-top: 14px;
  color: var(--muted);
  line-height: 1.6;
}
.detail-body h4 { margin: 0 0 8px; color: var(--ink); }
.detail-body ul { margin: 0; padding-left: 19px; }
.empty-state {
  padding: 60px 24px;
  text-align: center;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: rgba(255,255,255,.62);
}
.empty-state h3 { margin: 0 0 8px; font-size: 1.5rem; }
.empty-state p { margin: 0; color: var(--muted); }
.methodology-callout {
  margin-bottom: 80px;
  border-radius: 36px;
  background: var(--dark);
  color: white;
  padding: clamp(28px, 6vw, 64px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: end;
  overflow: hidden;
  position: relative;
}
.methodology-callout::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -160px;
  top: -220px;
  border-radius: 999px;
  background: rgba(249,115,22,.28);
  filter: blur(6px);
}
.methodology-callout > * { position: relative; z-index: 1; }
.methodology-callout p:not(.eyebrow) { color: rgba(255,255,255,.72); max-width: 760px; }
.site-footer {
  padding: 34px 0 50px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.site-footer p { margin: 0; }

@media (prefers-reduced-motion: no-preference) {
  .hero-copy { animation: rise .7s ease-out both; }
  .hero-visual { animation: float-in .9s .12s ease-out both; }
  .tool-card { transition: background .2s ease, transform .2s ease; }
  .tool-card:hover { background: white; transform: translateY(-1px); }
  @keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
  @keyframes float-in { from { opacity: 0; transform: translateY(28px) scale(.96); } to { opacity: 1; transform: none; } }
}

@media (max-width: 900px) {
  :root { --content: min(100vw - 28px, 1180px); }
  .site-hero { min-height: auto; }
  .top-nav { align-items: flex-start; }
  .nav-links { gap: 12px; font-size: .86rem; }
  .hero-inner { grid-template-columns: 1fr; min-height: auto; padding: 48px 0 34px; }
  .hero-visual { min-height: 280px; order: -1; }
  .hero-image { border-radius: 30px; transform: rotate(-.75deg); }
  .dataset-strip { grid-template-columns: repeat(2, 1fr); margin-top: 18px; }
  .section-heading { grid-template-columns: 1fr; align-items: start; }
  .primary-controls, .secondary-controls { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; max-height: 430px; }
  .results-bar { position: static; align-items: start; flex-direction: column; }
  .tool-card { grid-template-columns: 1fr; }
  .rank-score { grid-template-columns: auto auto; justify-content: start; align-items: center; }
  .tool-details { grid-column: auto; margin-top: 0; }
  .detail-body { grid-template-columns: 1fr; }
  .methodology-callout { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .top-nav { flex-direction: column; }
  .hero-copy h1 { font-size: clamp(2.65rem, 18vw, 4.4rem); }
  .dataset-strip { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .results-actions, .hero-actions, .callout-actions { width: 100%; }
  .primary-action, .secondary-action, .ghost-link, .ghost-button { width: 100%; }
  .site-footer { display: block; }
  .site-footer p + p { margin-top: 12px; }
}